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Pronunciation varies by accent · noun
Any of a class of recreational designer drugs with psychostimulant effects..
Use pyrrolidinophenone when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pyrrolidinophenone means Any of a class of recreational designer drugs with psychostimulant effects..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use pyrrolidinophenone where its definition matches the intended context.
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